Convertible chair



FIG. 1 is a front perspective view of the convertible chair showing my new design,

FIG. 2 is a side elevational view,

FIG. 3 is a top plan view,

FIG. 4 is a front elevational view thereof; and

FIG. 5 is a front perspective view of the convertible chair in an alternate position.

The bottom of the chair and the undisclosed rear thereof are conventional in appearance. 

The ornamental design for a convertible chair, as shown and described. 